The temperature on February 5, 1910 was between -1.6 °C and 5.0 °C and averaged 2.1 °C. There was 0.2 mm of rain. There was 1.3 hours of sunshine (14%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
March 28 » Henri Fabre becomes the first person to fly a seaplane, the Fabre Hydravion, after taking off from a water runway near Martigues, France.
April 12 » SMSZrínyi, one of the last pre-dreadnought battleships built by the Austro-Hungarian Navy, is launched.
April 16 » The oldest existing indoor ice hockey arena still used for the sport in the 21st century, Boston Arena, opens for the first time.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
July 4 » The Johnson–Jeffries riots occur after African-American boxer Jack Johnson knocks out white boxer Jim Jeffries in the 15th round. Between 11 and 26 people are killed and hundreds more injured.
Day of marriage January 5, 1943
The temperature on January 5, 1943 was between -4.8 °C and -0.1 °C and averaged -2.3 °C. There was 0.1 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 9 » World War II: Allied authorities declare Guadalcanal secure after Imperial Japan evacuates its remaining forces from the island, ending the Battle of Guadalcanal.
May 11 » World War II: American troops invade Attu Island in the Aleutian Islands in an attempt to expel occupying Japanese forces.
September 3 » World War II: The Allied invasion of Italy begins on the same day that U.S. General Dwight D. Eisenhower and Italian Marshal Pietro Badoglio sign the Armistice of Cassibile aboard the Royal Navy battleship HMSNelson off Malta.
September 7 » World War II: The German 17th Army begins its evacuation of the Kuban bridgehead (Taman Peninsula) in southern Russia and moves across the Strait of Kerch to the Crimea.
October 17 » Nazi Holocaust in Poland: Sobibór extermination camp is closed.
November 6 » The 1st Ukrainian Front, led by general Nikolai Vatutin, liberates Kyiv from fascist occupation.
Day of death June 15, 1972
The temperature on June 15, 1972 was between 7.4 °C and 16.6 °C and averaged 11.7 °C. There was 0.1 mm of rain during 0.4 hours. There was 6.3 hours of sunshine (38%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
November 23 » The Soviet Union makes its final attempt at successfully launching the N1 rocket.
December 26 » Vietnam War: As part of Operation Linebacker II, 120 American B-52 Stratofortress bombers attacked Hanoi, including 78 launched from Andersen Air Force Base in Guam, the largest single combat launch in Strategic Air Command history.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I3611.php : accessed January 22, 2026), "Pieter Jacobus Koorts (1910-1972)".
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